Exercise 4.4 ▸ A 2.4 KVA, 2400/240 V 50 Hz step down transformer has the following parameters ▸ R₁ = 1.592, X₁= 2.502, R₂ 0.0202, X₂ = 0.039, Rc1 = 6ΚΩ, Xmı = 8ΚΩ = ▸ It is operating at 80% of its rated load at 0.8 power factor lagging. Using the approximate equivalent circuit of the transformer referred to the secondary side, determine its efficiency (61.4%), the voltage regulation (0.205%) and sketch its phasor diagram.

Exercise 4.4 ▸ A 2.4 KVA, 2400/240 V 50 Hz step down transformer has the following parameters ▸ R₁ = 1.592, X₁= 2.502, R₂ 0.0202, X₂ = 0.039, Rc1 = 6ΚΩ, Xmı = 8ΚΩ = ▸ It is operating at 80% of its rated load at 0.8 power factor lagging. Using the approximate equivalent circuit of the transformer referred to the secondary side, determine its efficiency (61.4%), the voltage regulation (0.205%) and sketch its phasor diagram.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.9MCQ: Match the following: (i) Hysteresis loss (a) Can be redud by constructing the core with laminated...

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